Sons of Horus Green vs RLM 83 Dark Green

How close are they?

ΔE 8.1, close: similar, with a visible difference side by side. RLM 83 Dark Green is more muted than Sons of Horus Green.

Can I use RLM 83 Dark Green instead of Sons of Horus Green?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). RLM 83 Dark Green is more muted than Sons of Horus Green.

Can I use Sons of Horus Green instead of RLM 83 Dark Green?

The same difference applies the other way round: Sons of Horus Green is more saturated.

ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.